Analysis

  • max time kernel
    118s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    14-05-2024 13:28

General

  • Target

    documents_24.5.13YTKargo.pdf.exe

  • Size

    588KB

  • MD5

    7f9adfa5c6ddb5471f7b391d037252b2

  • SHA1

    122645622b73002a2d8b8215d6573ab22523a0e2

  • SHA256

    f815285cda1f471dc22b3c4582d1c5fad00bacc7c5e76a08f289d7fae6a35bd4

  • SHA512

    5f8b6565006dd61e11da209aa1103ca4987bd397a19da5b38a782f61d7bae13c244a4ba2de78982803b764bdd45a831de382da61bbbf3c3ade4d307675a21ad8

  • SSDEEP

    12288:2rRgAXYMjhvPie/rByY7777777777777c99E4NQ2CMiH99dsgJJ8Z0WQoiQFzpgi:2dgAXYMFniyyXzEMCMid9prPwDajgSxF

Malware Config

Extracted

Family

snakekeylogger

Credentials
C2

https://scratchdreams.tk

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 5 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\documents_24.5.13YTKargo.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\documents_24.5.13YTKargo.pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2868
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\documents_24.5.13YTKargo.pdf.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2140
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\EDqfTdWmvf.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2700
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\EDqfTdWmvf" /XML "C:\Users\Admin\AppData\Local\Temp\tmp401C.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2616
    • C:\Users\Admin\AppData\Local\Temp\documents_24.5.13YTKargo.pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\documents_24.5.13YTKargo.pdf.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2572

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp401C.tmp

    Filesize

    1KB

    MD5

    1395777dd58e8861ba4e3c73b77463ef

    SHA1

    1b57fe255783fe0734685b5be08ca2400a0f86f3

    SHA256

    b6c3e0d890a6b3fdb0e1c4d2cb95864e9454b00500facdfdc1e5000c5babf1fa

    SHA512

    1f162821efe15a8e5171fe6d13e01c3b100bf93ac7b520de62af75e6a4145b608d26b4712c405d2e950c82d1f47f0b350e813080cf7a7704d13fbb41837c4315

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\428F9XOXGXRGH7QK7PFB.temp

    Filesize

    7KB

    MD5

    42bfae9fb7344de99c7963ef1fbcb645

    SHA1

    b3c09b6bfc0ea1a3fa391e4fc6c28d8f29fb5a6e

    SHA256

    7ce52239462e00bafaae4ae9c3aadfed991dc25e5cea34f9fc31d5a1f2aea921

    SHA512

    cf3746d58518f7a6d2c06d7f6abc9681e1fc65278d6a4c4450cb960b191c48e24a18164f016a63d0178c2a248f0c8e66cb6cdb08b2752f8994a5010fc6bcd9f4

  • memory/2572-29-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2572-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2572-21-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2572-23-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2572-25-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2572-28-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2572-30-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2572-19-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2868-6-0x00000000049F0000-0x0000000004A58000-memory.dmp

    Filesize

    416KB

  • memory/2868-1-0x0000000000F00000-0x0000000000F9A000-memory.dmp

    Filesize

    616KB

  • memory/2868-0-0x0000000074C3E000-0x0000000074C3F000-memory.dmp

    Filesize

    4KB

  • memory/2868-2-0x0000000074C30000-0x000000007531E000-memory.dmp

    Filesize

    6.9MB

  • memory/2868-3-0x00000000003F0000-0x0000000000410000-memory.dmp

    Filesize

    128KB

  • memory/2868-5-0x0000000000450000-0x0000000000466000-memory.dmp

    Filesize

    88KB

  • memory/2868-4-0x00000000003A0000-0x00000000003B0000-memory.dmp

    Filesize

    64KB

  • memory/2868-31-0x0000000074C30000-0x000000007531E000-memory.dmp

    Filesize

    6.9MB